Bottle portion



FIG. 1 is a perspective view of a bottle portion showing the new design;

FIG. 2 is a front elevational view of the bottle portion depicted in FIG. 1, the opposite rear elevational view and both side elevational views being identical, except for the unclaimed threads;

FIG. 3 is a top view of the bottle portion depicted in FIG. 2; and,

FIG. 4 is a bottom view of the bottle portion depicted in FIG. 2.

The broken line environmental showing is for illustrative purposes only and does not form a part of the claimed design. 

The ornamental design for a bottle portion, as shown and described. 